package jack;
public class ThreadA {
private static Object lock = new Object();
private static Object lock1 = new Object();
public static void main(String[] args) {
ThreadB threadB = new ThreadB(lock);
threadB.start();
System.out.println("threadB is Start.....");
synchronized (lock1) {
ThreadC threadC = new ThreadC(lock);
threadC.start();
/* try { */
System.out.println("Waiting for b to complete...");
/* threadB.wait(); */
/*
* } catch (InterruptedException e) { // TODO Auto-generated catch
* block }
*/
System.out.println("Total is :" + threadB.total);
}
}
}
class ThreadB extends Thread {
Object object;
ThreadB(Object object)
{
this.object=object;
}
int total = 0;
public void run() {
// TODO Auto-generated method stub
synchronized (object) {
System.out.println("ThreadB is running..");
for (int i = 0; i < 100; i++) {
total += i;
System.out.println("total is " + total);
if (i == 50) {
try {
this.wait();
} catch (InterruptedException e) {
}
}
try {
Thread.sleep(30);
} catch (InterruptedException e) {
}
}
}
}
}
class ThreadC extends Thread {
Object obj = null;
ThreadC(Object obj) {
this.obj=obj;
}
int total = 0;
public void run() {
// TODO Auto-generated method stub
synchronized (obj) {
System.out.println("ThreadC is running..");
for (int i = 0; i < 100; i++) {
total += i;
System.out.println("TOTAL_C is " + total);
try {
Thread.sleep(30);
} catch (InterruptedException e) {
}
}
notify();
}
}
}
报错内容：
java.lang.IllegalMonitorStateException: current thread not owner
at java.lang.Object.wait(Native Method)
at java.lang.Object.wait(Unknown Source)
at rendegen.ThreadB.run(ThreadA.java:55)
